Neo4j is a leading graph database platform designed to manage, query, and analyze highly connected data. It features a native graph storage model and the Cypher query language for efficient graph traversals. The Community Edition is open source under the GPLv3 license. Neo4j is an alternative to graph databases such as Amazon Neptune, TigerGraph, JanusGraph, and NebulaGraph.
Key features of Neo4j include:
- Native Graph Storage: Stores data as nodes and relationships, optimized for traversing connections.
- Cypher Query Language: A declarative graph query language that simplifies complex relationship queries.
- ACID Compliance: Ensures data integrity with full ACID (Atomicity, Consistency, Isolation, Durability) properties.
- Scalability: Supports scaling both vertically and horizontally to handle large datasets and high query loads.
- Graph Algorithms: Includes built-in graph algorithms for tasks like pathfinding, community detection, and centrality measures.
- Neo4j Bloom: A graph visualization and exploration tool for business users.
- Neo4j AuraDB: A fully managed cloud-based graph database service.
- Neo4j Graph Data Science: A platform for applying machine learning and analytics to graph data.
Use cases for Neo4j include:
- Knowledge Graphs: Building and managing knowledge graphs for semantic search, data integration, and AI applications.
- Fraud Detection: Identifying fraudulent activities by analyzing relationships between entities.
- Real-Time Recommendations: Providing personalized recommendations based on user behavior and preferences.
- Identity and Access Management: Managing user identities and access privileges based on relationships.
- Supply Chain Management: Optimizing supply chain operations by analyzing relationships between suppliers, products, and customers.
- Generative AI: Enhancing LLMs with knowledge graphs for more accurate and explainable results using GraphRAG.